Note 6 - Goodwill and Other Intangible Assets, Net Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 113,752	$ 113,776
Accumulated amortization	(22,853)	(19,529)
Net carrying amount	90,899	94,247
Client Relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	83,447	83,471
Accumulated amortization	(13,233)	(11,038)
Net carrying amount	70,214	72,433
Technology
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	15,100	15,100
Accumulated amortization	(3,575)	(2,949)
Net carrying amount	11,525	12,151
Trade name and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	8,340	8,340
Accumulated amortization	(1,463)	(1,243)
Net carrying amount	6,877	7,097
Client backlog
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	6,680	6,680
Accumulated amortization	(4,447)	(4,184)
Net carrying amount	2,233	2,496
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	185	185
Accumulated amortization	(135)	(115)
Net carrying amount	$ 50	$ 70